package com.laowang.framework.config;

import com.laowang.framework.security.filter.JwtAuthenticationTokenFilter;
import com.laowang.framework.security.handle.AuthenticationEntryPointImpl;
import com.laowang.framework.security.handle.LogoutSuccessHandlerImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.builders.WebSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.firewall.DefaultHttpFirewall;
import org.springframework.security.web.firewall.HttpFirewall;
import org.springframework.security.web.firewall.StrictHttpFirewall;

import java.util.function.Predicate;

/**
 * spring security配置
 *
 * @author laowang
 */
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    /**
     * 自定义用户认证逻辑
     */
    @Autowired
    private UserDetailsService userDetailsService;

    /**
     * 认证失败处理类
     */
    @Autowired
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出处理类
     */
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token认证过滤器
     */
    @Autowired
    private JwtAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 解决 无法直接注入 AuthenticationManager
     *
     * @return
     * @throws Exception
     */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    /**
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
     * hasAnyAuthority     |   如果有参数,参数表示权限,则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数,参数表示角色,则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数,参数表示权限,则其权限可以访问
     * hasIpAddress        |   如果有参数,参数表示IP地址,如果用户IP和参数匹配,则可以访问
     * hasRole             |   如果有参数,参数表示角色,则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
        httpSecurity
            // 允许跨域
            .cors().and()
            // CRSF禁用,因为不使用session
            .csrf().disable()
            // 认证失败处理类
            .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
            // 基于token,所以不需要session
            .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
            // 过滤请求
            .authorizeRequests()
            // 对于登录login 验证码captchaImage 允许匿名访问
            .antMatchers("/login", "/captchaImage").anonymous()
            .antMatchers(
                "/banner/web/list","/lifeType/web/list","/lifeCircle/web/list","/carGroup/web/car/icon","/cyhNotice/web/list",
                "/myGoods/web/list","/system/dict/data/type/**","/vip/web/list","/position/web/list",
                "/wxUser/loginByCode","/wxUser/redirectUri","/wxUser/authLogin","/wxUser/authLogin1","/wxconnect","/wxconnectnew","/system/config/configKey/**","/information/**","/wxUser/getUrl","/banner/wxApp/list","/notice/wxApp/list",
                "/imserver/**","/appUser/sendCode","/scanInfo/web","/article/web/**","/review/web/**","/interview/web/**","/carGroups/web/list",
                "/article/wxApp/list","/article/wxApp/getDetail","/tbGoods/wxApp/list","/tbGoods/getDetail/**",
                "/wPuser/addOne","/charge/queryByPhone","/charge/addOrder","/manager/register","/manager/login",
                "/order/web/refund","/order/gtpNotify","/order/gtxyfNotify","/intro/h5","/welfare/h5","/webGoods/web/**",
                "/img/upload","/cattleUser/createAccount","/cattleUser/login","/welfareRules/one","/carBook/web/list**","/activity/web/**",
                "/zcUser/redirectUri","/zcUser/code","/getTokenNew"
            ).permitAll() // 不需要登录就可以访问的  带了token 就会校验
            .antMatchers(
                HttpMethod.GET, "/*.html", "/**/*.html", "/**/*.css", "/**/*.js", "/system/user/test","/system/user/test01","/**/doc.html","/doc.html"
            ).access("permitAll()") // 不需要登录就可以访问的get请求
            .antMatchers("/profile/**").anonymous()
            .antMatchers("/common/download**").anonymous()
            .antMatchers("/common/download/resource**").anonymous()
            .antMatchers("/swagger-ui.html").anonymous()
            .antMatchers("/swagger-resources/**").anonymous()
            .antMatchers("/webjars/**").anonymous()
            .antMatchers("/*/api-docs").anonymous()
            .antMatchers("/druid/**").anonymous()
            // 除上面外的所有请求全部需要鉴权认证
            .anyRequest().authenticated()
            .and()
            .headers().frameOptions().disable();
        httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
        // 添加JWT filter
        httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
    }


    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份认证接口
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    }

    /**
     *  nginx 转发https://
     * 配置地址栏不能识别 // 的情况
     * @return
     */
    @Override
    public void configure(WebSecurity web) throws Exception {
        StrictHttpFirewall firewall = new StrictHttpFirewall();


        /*firewall.setAllowedHostnames(new Predicate<String>() {
            @Override
            public boolean test(String s) {
                System.out.println(s);
                if (s.equalsIgnoreCase("localhost") || s.equalsIgnoreCase("danengkj.cn")|| s.equalsIgnoreCase("101.200.120.210") ){
                    return true;
                }
                return false;
            }
        });*/
        //去掉"//"黑名单
        firewall.setAllowUrlEncodedDoubleSlash(true);
        //加入自定义的防火墙
        web.httpFirewall(firewall);
        super.configure(web);
    }
}
